A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 83
velocity ratio of the first and lastpulleys is given by the product of the radii, or diameters, of thedriven pulleys divided by the product of the radii, or diameters, ofthe driving pulleys. Toothed wheels (Fig. 58) are used in cases where there must be no slipping. The teeth maybe imagined to be… … wa _ RB Fig ■- Toothed wheels In year. TOOTHED WHEELS 59 Further, the numbers of teeth, nA and nB, are proportional to thecircumferences and therefore to the radii of the cylinders. Hence The wheels shown in Fig. 58 revolve in opposite directions. Ifangular velocities of the same sense be required,…
Physics
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